551351230342544 has 20 divisors (see below), whose sum is σ = 1068249068033520. Its totient is φ = 275674051495200.

The previous prime is 551351230342529. The next prime is 551351230342571. The reversal of 551351230342544 is 445243032153155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94818182 + ... + 100464869.

It is an arithmetic number, because the mean of its divisors is an integer number (53412453401676).

Almost surely, 2^{551351230342544} is an apocalyptic number.

It is an amenable number.

551351230342544 is a deficient number, since it is larger than the sum of its proper divisors (516897837690976).

551351230342544 is a wasteful number, since it uses less digits than its factorization.

551351230342544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195459518 (or 195459512 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 47.

Adding to 551351230342544 its reverse (445243032153155), we get a palindrome (996594262495699).

The spelling of 551351230342544 in words is "five hundred fifty-one trillion, three hundred fifty-one billion, two hundred thirty million, three hundred forty-two thousand, five hundred forty-four".